SOHC.co.uk Forums > CB500/550

Choosing a cb550 donor bike

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Oddjob:
A K3 is also usually cheaper to buy than an F1 or F2. Due no doubt to the carb issue which TBH is simple to cure.

DomP:

--- Quote from: Oddjob on August 04, 2023, 05:19:46 PM ---A K3 is also usually cheaper to buy than an F1 or F2. Due no doubt to the carb issue which TBH is simple to cure.

--- End quote ---
So not a bad option for a project then, what would be the simple carb solution, complete carb swap?

Oddjob:
Yeah, you swap the carbs off a 550F ideally, they are 069A carbs, or the carbs off a 500/4 which are 627B carbs, both will work. However you also need to change the intake manifolds over as well as the 550K3 doesn't have vacuum adapter outlets on them and they are needed for the 500 or 550F carbs. Those are usually easy to source. You would also need to change the rubber boots between the inlet plenum chamber and the carbs as I seem to recall those are different as well.

Sounds a lot but it's not really.

DomP:
So it's more about getting the best bike at the best price really and work with what I get.  Thanks for your help!

Trigger:
You can pick up USA import 550 K0,K1 and K2's from DK cheap.  ;)

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